This report illustrates why there are changes on the ice sheet that covers the Antarctica continent. Students will better understand the evolution of the Antarctic ice sheet. Included are templates for making a paper model, instructions for assembly, and a discussion of development of the Antarctic...

This report illustrates why caves develop in limestone. Students will better understand the evolution of Karst topography. Included are templates for making a paper model, instructions for its assembly, and a discussion of development of Karst topography.